<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    let name = '张三'
    let age = 18
    console.log(`我是${name}, 我今年${age}岁`)
  </script>
</body>

</html>